Home / 230,134.47-317,576.71-128,164.24

Finding the Fourth Proportional to 230,134.47, 317,576.71 and 128,164.24

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Solution

The fourth proportional to 230,134.47, 317,576.71 and 128,164.24 is: 176,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,134.47 : 317,576.71 = 128,164.24 : x
  2. Step 2: Convert to fraction form
    230,134.47/317,576.71 = 128,164.24/x
  3. Step 3: Cross multiply
    230,134.47x = 317,576.71 × 128,164.24
  4. Step 4: Simplify right side
    230,134.47x = 40,701,976,564.50
  5. Step 5: Solve for x
    x = 40,701,976,564.50/230,134.47
  6. Step 6: Final answer
    x = 176,861.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.